<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <link rel="stylesheet" href="css/common.css">
  <link rel="stylesheet" href="css/login.css">
</head>
<body>
    <div id="leader">
      <div class="login">
        <form action="login" method="POST">
          <div class="title">某某管理系统</div>
          <div class="one"><input type="text" name="username" class="user"><input type="password" name="password" class="password"></div>
          <div class="submit"><button>登 录</button></div>
        </form>
      </div>
    </div>
</body>
</html>